Year	Number
1991	278789
1992	281343
1993	284024
1994	283581
1995	282857
1996	281853
1997	280625
1998	279273
1999	277877
2000	276466
2001	275127
2002	273949
2003	274062
2004	274765
2005	275586
2006	276658
2007	277906
2008	279037
2009	279981
2010	280727
2011	281215
2012	282787
2013	285029
2014	286708
2015	288326
2016	289827
2017	291179
2018	301413
2019	284892
2020	281272
2021	283296
2022	288357
2023	295000